CN106457553B - The container of blow molding - Google Patents

Abstract

A kind of container of blow molding includes the main member (20) to form tool cavities.The main member (20) has inner surface.The main member (20) further includes at least one corner part (30), and at the corner part (30), the main member (20) includes at least first layer (40) and the second layer (42).The first layer (40) forms inner surface and the first layer (40) and the second layer (42) is fixed together along predetermined pattern, while being separated from each other elsewhere.The first layer (40) is formed with the first protrusion (143) and the second layer (42) along the predetermined pattern and is formed with the second protrusion (145) along the predetermined pattern.First protrusion (143) and second protrusion (145) are fixed together.

Description

The container of blow molding

Cross reference to related applications

The PCT International Application Serial No. PCT that the application is submitted according to the requirement of 35U.S.C. § 119 (a) clause on June 6th, 2014/ The priority of CN2014/079415, entire contents are incorporated herein by reference.

Technical field

The present invention relates generally to the plastic container industries of blow molding, and relate more specifically to generally rectangular blow molding The corner design of molding plastic containers, this turning have improved deformation resistance.

Background technique

The product (such as the tool box of portable power tool) of many types is by using blow molding technique system It makes double-walled main body and manufactures into.By article of manufacture in this way, people are able to easily form tool, and there are two rigid plastics The product of wall has cushion space between the rigid plastic ratio, so that generating has a variety of expectation physical characteristics (such as strong Degree, rigidity, erasibility and impact absorbency) main body, and manufacture also relatively cheap.

Under normal conditions, blow moulding process includes using by two points of the cavity with certain desired shape and size The mold that the half portion or part opened are constituted.In general, people squeeze out major diameter, the seal pipe (commonly referred to as " type of melted material Base "), pipe is placed between half module, and surround pipe Guan Bi mould.Then Fluid pressure is introduced into pipe, forces melting Pipe makes pipe accord with its shape against cavity wall.Keep pressure until melted material is cooling and solidification.Then it releases stress, it will Half module pulls open, and from the product for wherein popping up hardening.

However, since Fluid pressure is introduced into force melting tube abutment walls to generate preset space length between the walls, so This will encounter problems for the corner part of product because the morphology of corner part can generate direction and/ Or extend the suddenly change of plane.Specifically, the thickness in order to ensure each wall of product at corner part is uniformly and real Existing desired level height, the spacing of two walls at the corner part of surface direction suddenly change frequent occurrence must increase Add, is surprisingly bonded to avoid two walls or the inhomogeneities of the strength of materials.However, as the spacing between wall increases, corner part It point is easier by being easy to cause corner part to deform or recessed external impact.

Summary of the invention

According to foregoing background, the purpose of the present invention is to provide a kind of substitution blow moldings with the design of improved corner part Molding container.

Above-mentioned purpose is realized by the feature combination of primary claim；Dependent claims disclose of the invention into one Walk advantageous embodiment.

Those skilled in the art will obtain other purposes of the invention from being described below.Therefore, aforementioned statement Purpose is not detailed, and is only used for showing some in many purposes of the present invention.

Therefore, the present invention is a kind of container of blow molding on the one hand comprising forms the main member of tool cavities.It is main Component has inner surface.Main member further includes at least one corner part, and at corner part, and main member includes at least the One layer and the second layer.First layer forms inner surface and first layer and the second layer is fixed together along predetermined pattern, while Other places are separated from each other.First layer is formed with the first protrusion along predetermined pattern, and the second layer is formed along predetermined pattern There is the second protrusion.First protrusion and the second protrusion are fixed together.

Preferably, the surface in face of the second layer of the first protrusion is more leaned on than the part of the first layer close to predetermined pattern The nearly second layer.

Additionally/alternatively, the surface towards first layer of the second protrusion is than the second layer close to predetermined pattern Partially closer to first layer.

In one embodiment, the first protrusion and the second protrusion have equal height.

In a variant, first layer is formed with prominent from the direction that first layer is directed away from tool cavities third outstanding Part.

Preferably, third protrusion is the form of the edge portions on the outer surface of the container of blow molding.

Preferably, third protrusion is the part for being bent to form edge portions of first layer.

In one embodiment, third protrusion is the form for connecting the curved surface of first layer and the second layer.

In some variations, predetermined pattern is from multiple regions being separated from each other.

In other modifications, predetermined pattern is continuum.

In some further modifications, continuum further includes multiple subregions, and wherein at least two subregion is located at In different planes.

In some further modifications, predetermined pattern further includes being connected to mutual multiple line segments.

Preferably, main member is rectangular shape.

Preferably, first layer and the second layer have equal thickness.

Detailed description of the invention

From the description combination attached drawing of the following preferred embodiment only provided by way of example, it is of the invention aforementioned and its Its feature will become obvious, in which:

Fig. 1 show it is according to an embodiment of the invention it is in the open state under blow molding container.

Fig. 2 a is the perspective view of the corner part of blow-molded container according to an embodiment of the invention.

Fig. 2 b shows the corner part in Fig. 2 a from another angle.

Fig. 3 shows the front view towards the corner part in Fig. 2 a of its internal cavities.

Fig. 4 a is the viewgraph of cross-section that B-B is taken along corner part shown in Fig. 3.

Fig. 4 b is the viewgraph of cross-section that C-C is taken along corner part shown in Fig. 3.

Fig. 5 a shows the enlarged view of tip portion A in Fig. 3.

Figure 5b shows that the enlarged views of tip portion B in Fig. 3.

Fig. 6 a is the perspective view of the corner part of blow-molded container according to another embodiment of the invention.

Fig. 6 b shows corner part shown in Fig. 6 a from another angle.

Fig. 7 a is the perspective view of the corner part of blow-molded container according to another embodiment of the present invention.

Fig. 7 b shows corner part shown in Fig. 7 a from another angle.

Fig. 7 c shows the substitution internal structure of the corner part of Fig. 7 a.

Fig. 8 a and Fig. 8 b show the junction of the corner part of the container of blow molding according to an embodiment of the invention Design.

Fig. 9 shows the engaging zones design of the corner part of the container of blow molding according to an embodiment of the invention.

Figure 10 a shows the alternative jointing line of the corner part of the container of blow molding according to an embodiment of the invention Design.

Figure 10 b illustrates turning for Figure 10 a from the outer surface of blow-molded container by the perspective of seam line pattern Angle part.

Figure 10 c shows the bonding region in the corner part of Figure 10 a.

Figure 11 a shows the alternative jointing line of the corner part of the container of blow molding according to an embodiment of the invention Design.

Figure 11 b illustrates turning for Figure 11 a from the outer surface of blow-molded container by the perspective of seam line pattern Angle part.

Figure 11 c shows the bonding region in the corner part of Figure 11 a.

Figure 12 a shows the alternative jointing line of the corner part of the container of blow molding according to an embodiment of the invention Design.

Figure 12 b illustrates turning for Figure 12 a from the outer surface of blow-molded container by the perspective of seam line pattern Angle part.

Figure 12 c shows the bonding region in the corner part of Figure 12 a.

Figure 13 a shows the alternative jointing line of the corner part of the container of blow molding according to an embodiment of the invention Design.

Figure 13 b illustrates turning for Figure 13 a from the outer surface of blow-molded container by the perspective of seam line pattern Angle part.

Figure 13 c shows the bonding region in the corner part of Figure 13 a.

Figure 14 a shows the alternative jointing line of the corner part of the container of blow molding according to an embodiment of the invention Design.

Figure 14 b illustrates turning for Figure 14 a from the outer surface of blow-molded container by the perspective of seam line pattern Angle part.

Figure 15 a shows the alternative jointing line of the corner part of the container of blow molding according to an embodiment of the invention Design.

Figure 15 b illustrates turning for Figure 15 a from the outer surface of blow-molded container by the perspective of seam line pattern Angle part.

Figure 16 a is the perspective view for showing its top side of the container of blow molding according to another embodiment of the present invention.

Figure 16 b is another perspective view for showing its bottom side of blow-molded container shown in Figure 16 a.

Figure 17 a is the perspective view of the corner part of the container of blow molding in accordance with another embodiment of the present invention.

Figure 17 b is the viewgraph of cross-section of corner part shown in Figure 17 a.

Figure 17 c is another perspective view of corner part shown in Figure 17 a from another angle.

Figure 18 a is the perspective view of the corner part of the container of blow molding according to another embodiment of the present invention.

Figure 18 b is the viewgraph of cross-section of corner part shown in Figure 18 a.

Figure 18 c is another perspective view of corner part shown in Figure 18 a from another angle.

Figure 19 is the viewgraph of cross-section of the corner part of blow-molded container according to another embodiment of the present invention.

Figure 20 is the viewgraph of cross-section of the corner part of blow-molded container according to another embodiment of the present invention.

Specific embodiment

Following claims and it is of the invention it is previously mentioned in, unless context is due to representation language or necessary dark Show and require in addition that, otherwise word " including (comprise) " or such as " including (comprises) " or " including (comprising) " variant is used with the meaning for including, that is, specifies the presence of the feature, but is not precluded within of the invention each There is or add other feature in kind embodiment.

Referring now to fig. 1, the first embodiment of the present invention is the blow-molded container for storing various tools and attachment, Especially with the electric portable drill of various drill bits.The container of blow molding includes the main member 20 to form tool cavities.Such as Fig. 1 Shown in, main member 20 includes base component 22 and the The lid component that base component 22 is hingedly attached to by two hinges 28 24.For each hinge 28, a part is integrally formed with base component 22, and another part and lid structure Part 24 is integrally formed.In 24 the two of base component 22 and The lid component, the physical size and shape with electric drill and its attachment are formed Corresponding various cavitys 26.Therefore, cavity 26 constitutes the tool for storing the main member 20 of electric portable drill and its attachment Cavity.The various corner parts 30 of main member 20 are also shown in Fig. 1, will be described in more detail below.

Turning now to Fig. 2 a-2b, had according to the corner part of the blow-molded container of one embodiment irregular several What shape.Corner part includes the first layer 40 and the second layer 42 for being respectively formed the outer wall and inner wall of blow-molded container.It should , it is noted that only showing a part (i.e. corner part) of blow-molded container, first layer 40 and the second layer in Fig. 2 a-2b 42 also extend into the other parts of blow-molded container to form entire main member.First layer 40 and the second layer 42 are along predetermined figure Case bonds together, and bonds together in the present embodiment along jointing line 44.In Fig. 2 b and Fig. 3, jointing line 44 is by most It is shown as that there is rough cross shape goodly, i.e., two lines intersect in their own middle part.The knot of jointing line 44 Structure is clearly shown in figs. 4 a and 4b, both shows the viewgraph of cross-section of corner part, especially first layer 40 and Two layer 42 of located in connection.As is shown in fig. 4 a, in some regions of corner part, blow-molded container outer surface is formed First layer 40 and the second layer 42 for forming blow-molded container inner surface are fixed together along jointing line 44, but elsewhere It is separated from each other and comes, as is shown in fig. 4 a.Preferably, when first layer 40 and the second layer 42 separate, first layer 40 and the second layer The distance between 42 keep constant.Moreover it is preferred that first layer 40 is equal with the thickness of the second layer 42, and in an example In property embodiment, the thickness of first layer 40 and the second layer 42 is 2.5 millimeters.However, when first layer 40 and the second layer 42 are fixed When together at 44 region of closing line, the overall thickness of material is equal to the sum of first layer 40 and the thickness of the second layer 42.For example, In the case that the thickness of first layer 40 and the second layer 42 is all 2.5 millimeters, the overall thickness at jointing line 44 will be 5 millimeters.

Fig. 4 b shows the viewgraph of cross-section of corner part in other regions, wherein first layer 40 and the second layer 42 along Jointing line (being indicated by line 46) is fixed together, but at upper point, and first layer 40 and the second layer 42 start from being separated from each other And gap 48 is therefore generated between them.Fig. 5 a-5b shows other seams at some tip portions of corner part Line design.

In alternative embodiments, the jointing line design in the corner part of blow-molded container has different patterns.? In Fig. 6 a-6b, it can be seen that jointing line 50 is the collapsed shape being made of three line segments being end-to-end.Corner part in Fig. 7 a Point design can have there are two substitution interior design, respectively as shown in Fig. 7 b and Fig. 7 c.Jointing line 52 in Fig. 7 b is two A isolated line segment, and in figure 7 c, jointing line 54 includes being connected to mutual two line segments by another lateral line segment.

Referring to Fig. 8 a and 8b, engagement point design according to an embodiment of the present invention is shown.Here, predetermined pattern is not line segment Combination, but predetermined pattern is formed from multiple regions 56 being separated from each other.As shown in figure 8b, first layer 58 and the second layer 60 It is fixed to each other at the point region 56 being only unfolded in corner part.

Referring to Fig. 9, engaging zones design according to another embodiment of the present invention is shown.Here, predetermined pattern be not line or Point, but continuum.Continuum further includes multiple subregions 66,68, and as can be seen from Figure 9, at least Subregion 68 and subregion 66 are located in different planes, i.e., they are not parallel each other.

Figure 10 a-15b shows the various jointing lines design of corner part according to an embodiment of the present invention.In Figure 10 a-10c In, jointing line is made of the two sseparated line segments dissipated outward, is similar to shown in Fig. 7 b.In Figure 11 a-11c, jointing line It is made of three line segments being end-to-end to form collapsed shape, is similar to shown in Fig. 6 b.In Figure 12 a-12c, jointing line It is made of three line segments being end-to-end, to form the shape for being substantially cupuliform, is similar to shown in Fig. 7 c like that.? In 13a-13c, jointing line is formed by intersecting to form criss-cross two line segments at part therebetween.In Figure 14 a-14b, Line part of the predetermined pattern of bond layout by region and from region disconnecting forms, and center line section has and class in Fig. 6 b As shape.In Figure 15 a-15b, the predetermined pattern of bond layout is by line part and the continuum for being connected to line part one end Domain composition.

Turning now to Figure 16 a and Figure 16 b, there is shown with the overall appearances of rectangle blow-molded container.It should be noted that The corner part of the blow-molded container includes visible " slot " or pattern 121 that base component 122 is extended to from The lid component 124. These corner parts those of are different from shown in Fig. 2 a-7c person, and will be made below being more fully described.

In Figure 17 a-17c, it is shown similar to the corner part shown in the blow-molded container in Figure 16 a-16b, It has the slot 121 along predetermined pattern on corner part outer surface.The shape of predetermined pattern and class in Fig. 7 a in Figure 17 a Seemingly, but in the latter, that is, Fig. 7 a, visible slot is not formed on the outer surface of corner part.As shown in Figure 17 a Predetermined pattern is the connection of multiple line segments, this is also referred to as closing line design, similar to the definition provided in preceding embodiment.

Figure 17 b is best shown how to form visible slot 121.Corner part includes being respectively formed blow-molded container outer wall With the first layer 140 and the second layer 142 of inner wall.Although a part for only showing blow-molded container in Figure 17 a-17b (turns Angle part), but in the present embodiment, first layer 140 and the second layer 142 also extend into the other parts of blow-molded container with shape At entire main member.First layer 140 and the second layer 142 bond together along predetermined pattern, it is seen that slot 121 is along the predetermined figure Case is formed and from the outside of blow-molded container visible slot 121 can be seen in user.

As shown in fig. 17b, in some regions of corner part, the first layer of blow-molded container outer surface is formed It 140 and forms the second layer 142 of blow-molded container inner surface and is fixed together, but elsewhere from being separated from each other.At it At the position that middle first layer 140 and the second layer 142 are fixed together along predetermined pattern, it is prominent that first layer 140 is formed with first Part 143, the second layer 142 are formed with the second protrusion 145.The surface of first protrusion 143 and the second protrusion 145 Surface be fixed together so that first layer 140 and the second layer 142 are fixed together along predetermined pattern.As people can see As arriving, the first protrusion 143 is protruded but by being bent to form for first layer 140 substantially in the portion of cube structure It point is formed, and the bending part of first layer 140 forms the recess portion with rectangular cross section, the recess portion is thirdly by the on side One layer 140 of outer surface surrounds.Although it is not shown, the second protrusion 145 is also formed in a similar way.Recess portion is can By user from the external observation of blow-molded container to visible groove 121.It can be readily seen that from Figure 17 b, first is prominent The surface towards the second layer 142 of part 143 than the first layer 140 close to predetermined pattern other parts closer to the second layer 142.Similarly, the surface towards first layer 140 of the second protrusion 145 than the second layer 142 close to predetermined pattern its It is partially closer to first layer 140.In other words, the first protrusion 143 and the second protrusion 145 are formed as being respectively facing Another protrusion in one layer 140 and the second layer 142.This construction ensures first layer 140 and the second layer 142 only along predetermined figure Case is fixed together, and keeps elsewhere away from each other.In a preferred embodiment, the first protrusion 143 and second is prominent Part 145 has equal height out, and in other words, the part of first layer 140 and the second layer 142 is (that is, the first protrusion 143 And second protrusion 145) between first layer 140 and the second layer 142 distance middle position contact each other.

In Figure 17 c, be shown as the second protrusion being formed on the second layer 142 as a result, from corner part Inner space observation, it may also be seen that the various grooves 123 on 142 inner surface of the second layer.Groove 123 is similar to above-mentioned in principle Groove 121.In the present example, curved due to first and second layers of the two on both the outer surface of shell and inner surface Bent portions will form visible slot.

Preferably, when first layer 140 and the second layer 142 separate, the distance between first layer 140 and the second layer 142 are protected It holds constant.Moreover it is preferred that first layer 140 is equal with the thickness of the second layer 142, and in one exemplary embodiment, the The thickness of one layer 140 and the second layer 142 is 2.5 millimeters.

Figure 18 a to 18c shows the corner part being approximately similar in Figure 17 a to Figure 17 c, in addition to Figure 18 a turning into 18c Angle part includes except edge portions.Edge portions are formed by a part of bending first layer 140, such as institute best in Figure 18 b Show.Although in this embodiment, first layer 140 and the second layer 142 are fixed together certain positions (i.e. along predetermined pattern), It is spaced apart in a manner of being similar to Figure 17 a-17c simultaneously, the second part of first layer 140 is also bent to form third protrusion 170, the second part of first layer 140 is different from the part fixed to the second layer 142 of first layer 140.Third protrusion 170 It is prominent from the direction that first layer 140 is directed away from tool cavities (not shown).As shown in Figure 18 b and 18c, protrusion 170 It is single layer structure, and there is span 171 between two side walls, to forms the edge portions with one fixed width.

In the alternate embodiment shown in Figure 19 and Figure 20, its in the present invention with the design of specific edge portions is shown Its corner part.In Figure 19, first layer 140 and the second layer 142 are fixed together similar to above-mentioned along predetermined pattern.So And in the edge of corner part, there is the edge portions formed by third protrusion 170, and third protrusion 170 For the form of connection first layer 140 and the curved surface of the second layer 142.

Although should be pointed out that in Figure 16 a- Figure 20, it is line segment that two layers, which are fixed along it predetermined pattern together, Connection, i.e. closing line designs, but other types of pattern can be equally applied, including from multiple regions being separated from each other (junction) and continuum (engaging zones).

Therefore, the above exemplary embodiments show the internal layer of blow-molded container and outer layer is used along predetermined pattern and engaged Design.It " engages " as described herein and refers to that those skilled in the art should so that wall/layer outwardly and inwardly contacts It recognizes, any suitable means or technology can be used, wall/layer outwardly and inwardly is fixed together, including but not limited to Glue or other adhesives.By the way that two walls are fixed together at jointing line, the intensity of corner part can be significantly improved, Because will also be largely transferred to inner surface to any impact of outer surface at jointing line, avoid a wall relatively another A deformation collapses.

Although being illustrated in detail and describing in the drawings and the preceding description the present invention, the present invention is considered It is illustrative and be not restrictive, it should be appreciated that exemplary embodiment only has shown and described, without in any way It limits the scope of the invention.It should be understood that any feature described herein can be used together with any embodiment.It is illustrative Embodiment is not excluded for the other embodiments that do not record each other or herein.Therefore, the present invention also provides include said one or multiple The embodiment of illustrative embodiments combination.It without departing from the spirit and scope of the present invention, can be to described herein The present invention modify and change, therefore, as as indicated by appended claims, such limitation should be applied.

It should be understood that if this reference is in Australia in the publication that any prior art is mentioned above Or a part for constituting publication formation general knowledge known in this field is not approved by any other country.

Claims (13)

1. a kind of container of blow molding comprising:

Main member, the main member include base component and are set as being hingedly attached to the The lid component of the base component；Institute Main member is stated with integrally formed inner and outer wall, wherein on the inner wall, the base component and The lid component tool There are a tool cavities, the tool cavities include physical size with tool and its attachment and the corresponding cavity of shape；

The main member further includes at least one corner part, and the corner part at least has first layer and the second layer；It is described First layer forms at least part of the outer wall, and the second layer forms at least part of the inner wall；The first layer It is fixed together with the second layer along predetermined pattern, while being separated from each other elsewhere；And

Wherein, the first layer is formed with from the direction that the first layer is directed away from the tool cavities additional protrusion outstanding Part, the Additional bumps are divided into the form for connecting the curved surface of the first layer and the second layer.

2. the container of blow molding according to claim 1, wherein the first layer is formed with along the predetermined pattern Inwardly projecting portion and the second layer are formed with along the predetermined pattern protrudes outward part；The inward projection Divide and the part that protrudes outward is fixed together.

3. the container of blow molding according to claim 2, wherein the inwardly projecting portion faces the second layer Surface than the first layer close to the predetermined pattern part closer to the second layer.

4. the container of blow molding according to claim 2, wherein it is described protrude outward part towards the first layer Surface than the second layer close to the predetermined pattern part closer to the first layer.

5. the container of blow molding according to claim 2, wherein the inwardly projecting portion and described protrude outward portion Dividing has equal height.

6. the container of blow molding according to claim 1, wherein the Additional bumps are divided into the blow molding Container the outer wall on edge portions form.

7. the container of blow molding according to claim 6, wherein the additional protrusions are the quilts of the first layer It is bent to form the part at the edge.

8. the container of blow molding according to claim 1-7, wherein the predetermined pattern is from being separated from each other Multiple regions.

9. the container of blow molding according to any one of claims 1 to 7, wherein the predetermined pattern is continuum.

10. the container of blow molding according to claim 9, wherein the continuum further includes multiple subregions, Described at least two being located in different planes in subregion.

11. the container of blow molding according to any one of claims 1 to 7, wherein the predetermined pattern further includes connection To mutual multiple line segments.

12. the container of blow molding according to any one of claims 1 to 7, wherein the main member is substantially rectangular in cross section.

13. the container of blow molding according to any one of claims 1 to 7, wherein the first layer and the second layer With equal thickness.